package br.com.listadecompras.utils;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.app.ExpandableListActivity;
import android.os.Bundle;
import android.widget.ExpandableListAdapter;
import android.widget.SimpleExpandableListAdapter;

public class GroupExpandableListActivity extends ExpandableListActivity {

	 	private static final String NAME = "NAME";
	    private static final String IS_EVEN = "IS_EVEN";

	    private ExpandableListAdapter mAdapter;

	    @Override
	    public void onCreate(Bundle savedInstanceState) {
	        super.onCreate(savedInstanceState);

	        List<Map<String, String>> groupData = new ArrayList<Map<String, String>>();
	        List<List<Map<String, String>>> childData = new ArrayList<List<Map<String, String>>>();
	        for (int i = 0; i < 20; i++) {
	            Map<String, String> curGroupMap = new HashMap<String, String>();
	            groupData.add(curGroupMap);
	            curGroupMap.put(NAME, "Group " + i);
	            curGroupMap.put(IS_EVEN, (i % 2 == 0) ? "This group is even" : "This group is odd");

	            List<Map<String, String>> children = new ArrayList<Map<String, String>>();
	            for (int j = 0; j < 15; j++) {
	                Map<String, String> curChildMap = new HashMap<String, String>();
	                children.add(curChildMap);
	                curChildMap.put(NAME, "Child " + j);
	                curChildMap.put(IS_EVEN, (j % 2 == 0) ? "This child is even" : "This child is odd");
	            }
	            childData.add(children);
	        }

	        // Set up our adapter
	        mAdapter = new SimpleExpandableListAdapter(
	                this,
	                groupData,
	                android.R.layout.simple_expandable_list_item_1,
	                new String[] { NAME, IS_EVEN },
	                new int[] { android.R.id.text1, android.R.id.text2 },
	                childData,
	                android.R.layout.simple_expandable_list_item_2,
	                new String[] { NAME, IS_EVEN },
	                new int[] { android.R.id.text1, android.R.id.text2 }
	                );
	        setListAdapter(mAdapter);
	    }

}
